Updated ggsrun to v500

v5.0.0 (May 2026) - The Omnibus Architecture Rewrite Engine fundamentally rewritten for Go 1.26.3+. Implemented channel-based concurrency ( errgroup ), freeze-proof TUI ( mpb/v8 ), SIMD JSON parsing ( goccy/go-json ), native MCP server ( ggsrun mcp ), Shared Drives full-support, auto MIME-mapping, isolated fault tolerance, and OAuth2 loopback automation. You can check ggsrun at…